Hydroxyethylpiperazine Ethane Sulfonic Acid (HEPES) ek synthetic buffering agent hai jo skincare mein formulation ka pH stable rakhta hai. Yeh corneocytes ke enzymatic shedding ko support karta hai jisse dead skin cells aaram se hat jaate hain. Sensitive skin ke liye gentle exfoliation ke liye acha hota hai aur skin barrier ko maintain karne mein madad karta hai.